P. R. Prabhu and  S. M. Kulkarni and  S. S. Sharma and  K. Jagannath and  Achutha Kini U.,  Analysis of Surface Hardness, Surface Roughness, and Near Surface Microstructure of AISI 4140 Steel Worked with Turn-Assisted Deep Cold Rolling Process.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2015, vol. 102(6). 1070 - 1076
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10001806.